diff --git a/crates/typst-library/src/math/equation.rs b/crates/typst-library/src/math/equation.rs
index 137ebb9b7..e60c055ad 100644
--- a/crates/typst-library/src/math/equation.rs
+++ b/crates/typst-library/src/math/equation.rs
@@ -18,7 +18,7 @@ use crate::math::{MathSize, MathVariant};
 use crate::model::{Numbering, Outlinable, ParLine, Refable, Supplement};
 use crate::text::{FontFamily, FontList, FontWeight, LocalName, TextElem};
 
-const DEFAULT_COL_GAP: Em = Em::new(1.5);
+const DEFAULT_COL_GAP: Em = Em::new(1.0);
 
 /// A mathematical equation.
 ///
diff --git a/docs/reference/library/math.md b/docs/reference/library/math.md
index ac9c03ddb..c632b286f 100644
--- a/docs/reference/library/math.md
+++ b/docs/reference/library/math.md
@@ -78,7 +78,7 @@ alternating the alignment twice. `& &` and `&&` behave exactly the same way.
 Meanwhile, "multiply by 7" is right-aligned because just one `&` precedes it.
 Each alignment point simply alternates between right-aligned/left-aligned.
 
-By default, there is a gap of `1.5em` added between columns. You can modify this
+By default, there is a gap of `1em` added between columns. You can modify this
 with the [`column-gap`]($math.equation.column-gap) parameter.
 
 ```example
diff --git a/tests/ref/math-align-columns.png b/tests/ref/math-align-columns.png
index 8420ae315..fabfba8a5 100644
Binary files a/tests/ref/math-align-columns.png and b/tests/ref/math-align-columns.png differ
diff --git a/tests/ref/math-equation-align-columns-1.png b/tests/ref/math-equation-align-columns-1.png
index c5320ed23..c9d211796 100644
Binary files a/tests/ref/math-equation-align-columns-1.png and b/tests/ref/math-equation-align-columns-1.png differ
diff --git a/tests/ref/math-multiline-line-spacing.png b/tests/ref/math-multiline-line-spacing.png
index 468e92f2b..7d4447893 100644
Binary files a/tests/ref/math-multiline-line-spacing.png and b/tests/ref/math-multiline-line-spacing.png differ